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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 2 |
| 7 | 3 |
| 8 | 4 |
| 9 | 5 |
| 10 | 6 |
| 11 | 7 |
| 12 | 9 |
| 13 | 12 |
| 14 | 16 |
| 15 | 21 |
| 16 | 28 |
| 17 | 36 |
| 18 | 46 |
| 19 | 59 |
| 20 | 76 |
| 21 | 98 |
| 22 | 128 |
| 23 | 167 |
| 24 | 217 |
| 25 | 281 |
| 26 | 363 |
| 27 | 468 |
| 28 | 605 |
| 29 | 784 |
| 30 | 1017 |
| 31 | 1320 |
| 32 | 1712 |
| 33 | 2217 |
| 34 | 2869 |
| 35 | 3713 |
| 36 | 4807 |
| 37 | 6227 |
| 38 | 8070 |
| 39 | 10458 |
| 40 | 13549 |
| 41 | 17549 |
| 42 | 22726 |
| 43 | 29430 |
| 44 | 38117 |
| 45 | 49375 |
| 46 | 63962 |
| 47 | 82859 |
| 48 | 107333 |
| 49 | 139026 |
| 50 | 180071 |
[1,1,1,1,1,1,2,3,4,5,6,7,9,12,16,21,28,36,46,59, 76,98,128,167,217,281,363,468,605,784,1017,1320, 1712,2217,2869,3713,4807,6227,8070,10458,13549, 17549,22726,29430,38117,49375,63962,82859,107333, 139026,180071] |